Underlairs: Focus Study Timer
Underlairs: Focus Study Timer is made and published by John Jang. AppBrain is an independent app data site and isn't affiliated with John Jang. The app name, icon, screenshots and description belong to John Jang and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 5.00
- 8 ratings
- Last updated
- August 30, 2026
- Size
- 230.3 MB
It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on the App StoreComments on Underlairs: Focus Study Timer for iOS
We don't have enough comments to show example comments. Please check back later.
Store listing
By John Jang, from the App StoreDescription by John Jang Written by the developer, not by AppBrain. Click to read.
1. Press play
2. Start the timer & play music
3. Finish a study session
Underlairs is focus music for people with ambitious plans. Cinematic, high-intensity soundscapes engineered for deep work — press play, start the timer, and get more done in one session than most people do all day.
No lo-fi beach vibes here. This is music for masterminds.
FIVE SOUNDSCAPES, ONE MISSION
• THE LAIR — Your domain, your default soundscape
• BIG DESK ENERGY — Repeal societal expectations and break free
• SPACE PIRACY — Fly that spaceship into deep space like you stole it
• FLUENT IN FINANCE — Serious people doing serious things
• TOXIC INTENSITY — The details of your incompetence is not interesting
60+ original tracks. Zero interruptions. Music designed to keep your brain locked in, whether you're studying, coding, writing, or plotting something bigger.
BEAST MODE
A focus timer built for real sessions — not just 25-minute sprints. Track deep work sessions up to 24 hours. Start it, disappear into the work, and come back victorious.
STATS THAT KEEP SCORE
See your focus streaks and total time in the zone. Watch the hours stack up. Evidence of your inevitable rise.
WHY UNDERLAIRS
• Completely free — every playlist, every feature
• No subscription, no ads, no account required
• Works offline — all music is on your device
• Background playback while you use other apps
• Designed for studying, work, coding, reading, and ADHD-friendly concentration
Underlairs is free because world domination shouldn't have a paywall. If it helps you get things done, there's a tip jar inside — entirely optional, eternally appreciated.
Your lair awaits. Press play and get to work.
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 230.3 MB
- Content rating
- Everyone
Technologies used by Underlairs: Focus Study Timer
Releases
Updates seen on the App Store- Version
- 1.2.1
- Launched
- December 2025
No changelog data
Alternatives
Similar apps and more from John JangAlternatives to Underlairs: Focus Study Timer
More from John Jang
Rankings
App Store top chartsApp Store Rankings for Underlairs: Focus Study Timer
About the app and developer
About Underlairs: Focus Study Timer
Underlairs: Focus Study Timer is a productivity app developed by John Jang.
User Ratings
Underlairs: Focus Study Timer is rated 5.00 out of 5 stars. The rating is based on 8 ratings.
App Information
Underlairs: Focus Study Timer is freely available from the App Store. The app size is 230.33 MB. The latest version available is 1.2.1. The last update was on August 30, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since December 2025.
Developer information for John Jang
Address:
Frequently asked questions about Underlairs: Focus Study Timer
Is Underlairs: Focus Study Timer free?
Yes. Underlairs: Focus Study Timer is free on the App Store.
Is Underlairs: Focus Study Timer still available?
Yes. Underlairs: Focus Study Timer is on the App Store, and the last update we saw was on August 30, 2026.
How large is Underlairs: Focus Study Timer?
Underlairs: Focus Study Timer is 230.33 MB.
Is Underlairs: Focus Study Timer suitable for children?
App Store rates the content of Underlairs: Focus Study Timer as suitable for everyone.
How do people rate Underlairs: Focus Study Timer?
Underlairs: Focus Study Timer scores 5.00 out of 5 stars, from 8 ratings on the App Store.
Who made Underlairs: Focus Study Timer?
Underlairs: Focus Study Timer was developed by John Jang. It is listed in the productivity category on the App Store.
What are the best alternatives to Underlairs: Focus Study Timer?
People looking at Underlairs: Focus Study Timer also look at these productivity apps: OrbitMe, seizetheday - Routine & Habit, WordReel, Focus Dive - Study Work Timer, PixelMemo.
Share Underlairs: Focus Study Timer
Subscribe now to get full and unlimited access to AppBrain Intelligence. You'll have access to:
- App Intelligence dashboard (performance timeline, competitor comparison, country rankings, insight cards)
- Detailed ranking data per app
- Full timeline per developer
- Device market shares data per country
- Unlimited keyword tracking
AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners.
More apps
App statistics